20814972

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12479}}^1$

素因数の和:12625

約数の個数: 24

約数和(自身を含む): 48921600

約数和(自身を除く): 28106628

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12479, 24958, 37437, 49916, 74874, 149748, 1734581, 3469162, 5203743, 6938324, 10407486, 20814972]

約数ペア:

[(1, 20814972), (2, 10407486), (3, 6938324), (4, 5203743), (6, 3469162), (12, 1734581), (139, 149748), (278, 74874), (417, 49916), (556, 37437), (834, 24958), (1668, 12479)]